Microstructure and tribological properties of composite FeCrBSi/FeS layer

被引：9
作者：
Kang, J-J [1 ,2 ]
Wang, C-B [2 ]
Wang, H-D [1 ]
Xu, B-S [1 ]
Liu, J-J [3 ]
Li, G-L [4 ]
机构：
[1] Acad Armored Forces Engn, Natl Key Lab Remfg, Beijing 100072, Peoples R China
[2] China Univ Geosci, Coll Engn & Technol, Beijing, Peoples R China
[3] Tsinghua Univ, Dept Mech Engn, Beijing 100084, Peoples R China
[4] Hebei Univ Technol, Coll Mat Sci & Engn, Tianjin, Peoples R China
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY | 2010年 / 224卷 / J8期
关键词：
supersonic velocity plasma spraying; low-temperature ion sulphuration; composite FeCrBSi/FeS layer; microstructure; tribological property; ION-SULFURIZATION; COATINGS;
D O I：
10.1243/13506501JET740
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Solid lubrication composite FeCrBSi/FeS layer was prepared by compound technology - combining supersonic velocity plasma spray with low-temperature ion sulphurizing. X-ray diffraction pattern for the composite layer implied that the layer mainly consists of alpha-Fe and FeS. Scanning electron microscopy was used to observe the surface, cross-section, and worn scar morphologies of the FeCrBSi/FeS layer. The nano-hardness and elastic modulus of the layer were surveyed by a nano-indentation tester. The sliding tribological behaviour of the FeCrBSi/FeS layer and the original 1045 steel against 52 100 steel counterparts was studied under dry and oil lubrication conditions by ball-on-disc tests. The experimental results showed that the composite FeCrBSi/FeS layer exhibited remarkable friction-reducing effects and obvious wear resistance under dry and oil lubrication conditions.
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收藏
页码：807 / 813
页数：7
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